A Single-Event-Transient Hardened Phase Locked Loop for Clock and Data Recovery

被引:0
|
作者
Hengzhou YUAN [1 ]
Bin LIANG [1 ]
Hao SANG [1 ]
Weixia XU [1 ]
Yang GUO [1 ]
Xi CHEN [1 ]
机构
[1] National University of Defense Technology
基金
中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TN911.8 [相位锁定、锁相技术];
学科分类号
摘要
A radiation-hardened phase-locked loop is proposed for phase interpolator clock and data recovery purposes. A sensitive node-compressed charge pump and multi-node cross coupling voltage-controlled oscillators are proposed in this phase-locked loop with the goal of achieving good jitter performance and improving anti-SET(SET,single-event transient) capability. The root mean square(RMS) jitter of the phase-locked loop is reduced from 3.7 ps to 2.58 ps at 2 GHz, while the laser threshold is improved from 120 p J to 370 p J compared to the unhardened phaselocked loop. The hardened phase-locked loop also does not lose its lock state from linear energy transfers(LETs) of 3.3 to 37.3 Me V·cm2/mg.
引用
收藏
页码:353 / 361
页数:9
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